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Audio Transport
The concept of audio I/O is an extremely important part of configuring MediaMatrix systems. It is the "wire" that gets audio
into, through and out of the system. Within MediaMatrix, this process is represented by two I/O blocks with "nodes" on them.
These represent the actual input and output points for the system. In the figure below, you can see the two audio blocks. The
one with the nodes on the right of the block is an audio "input" block. In other words, audio from the outside of the system
enters the DSP at these nodes. The one with the nodes on the left side of the block is an audio "output". It is at this point
where digital audio exits the system. Each of these blocks also has its own control panel, which we will explore later. These
control panels include level controls and mute buttons for the each audio channel in the digital domain and additional controls
for the X-Frame 88's analog input and output section.
Input Side of Audio
Path
Fig. 3, The digital audio transport devices.
The Test View
In order to properly use this manual, it is recommended that a basic MediaMatrix
should have a minimum number of components and should be configured to install and test a single X-Frame™ 88. Eventually
however, your view will include many units, and should match exactly your specific system requirements. The following figure
is a good example of such a "test" file.
X-Frame 88 Audio
Input Device
Audio from the "outside"
enters the x-Frame 88 here.
Fig. 4, Recommended Test View Configuration
Again, it is very important to understand the relationship between the X-Frame 88 hardware, the outside audio path and the
digital audio path within MediaMatrix. Audio enters and exits the MediaMatrix system at the wire blocks and travels within
the MediaMatrix system digitally. The wires represent this audio path within the MediaMatrix system.
Remember, the BoB Control Block includes only the analog audio controls for the X-Frame 88, while the wiring blocks include
the digital audio controls. Both of these control sets are critical to the proper operation of your sound system. Refer to the sig-
nal flow block diagram on page 11 for details on this signal flow.
Page 14
These wires carry
digital audio within
the x-Frame 88.
http://mediamatrix.peavey.com copyright 2001 All Rights Reserved
X-Frame
88 Designer's Manual
™
Output Side of
Audio Path
view file be configured. This view file
®
X-Frame 88 Audio
Output Device
Audio to the "outside"
exits the x-Frame 88.
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